156 static int __init feat_try_enable_unknown(struct dt_cpu_feature *f)  in feat_try_enable_unknown()  argument
158 	if (f->hv_support == HV_SUPPORT_NONE) {  in feat_try_enable_unknown()
159 	} else if (f->hv_support & HV_SUPPORT_HFSCR) {  in feat_try_enable_unknown()
161 		hfscr |= 1UL << f->hfscr_bit_nr;  in feat_try_enable_unknown()
168 	if (f->os_support == OS_SUPPORT_NONE) {  in feat_try_enable_unknown()
169 	} else if (f->os_support & OS_SUPPORT_FSCR) {  in feat_try_enable_unknown()
171 		fscr |= 1UL << f->fscr_bit_nr;  in feat_try_enable_unknown()
178 	if ((f->usable_privilege & USABLE_PR) && (f->hwcap_bit_nr != -1)) {  in feat_try_enable_unknown()
179 		uint32_t word = f->hwcap_bit_nr / 32;  in feat_try_enable_unknown()
180 		uint32_t bit = f->hwcap_bit_nr % 32;  in feat_try_enable_unknown()
187 			pr_err("%s could not advertise to user (no hwcap bits)\n", f->name);  in feat_try_enable_unknown()
193 static int __init feat_enable(struct dt_cpu_feature *f)  in feat_enable()  argument
195 	if (f->hv_support != HV_SUPPORT_NONE) {  in feat_enable()
196 		if (f->hfscr_bit_nr != -1) {  in feat_enable()
198 			hfscr |= 1UL << f->hfscr_bit_nr;  in feat_enable()
203 	if (f->os_support != OS_SUPPORT_NONE) {  in feat_enable()
204 		if (f->fscr_bit_nr != -1) {  in feat_enable()
206 			fscr |= 1UL << f->fscr_bit_nr;  in feat_enable()
211 	if ((f->usable_privilege & USABLE_PR) && (f->hwcap_bit_nr != -1)) {  in feat_enable()
212 		uint32_t word = f->hwcap_bit_nr / 32;  in feat_enable()
213 		uint32_t bit = f->hwcap_bit_nr % 32;  in feat_enable()
220 			pr_err("CPU feature: %s could not advertise to user (no hwcap bits)\n", f->name);  in feat_enable()
226 static int __init feat_disable(struct dt_cpu_feature *f)  in feat_disable()  argument
231 static int __init feat_enable_hv(struct dt_cpu_feature *f)  in feat_enable_hv()  argument
251 static int __init feat_enable_le(struct dt_cpu_feature *f)  in feat_enable_le()  argument
257 static int __init feat_enable_smt(struct dt_cpu_feature *f)  in feat_enable_smt()  argument
264 static int __init feat_enable_idle_nap(struct dt_cpu_feature *f)  in feat_enable_idle_nap()  argument
278 static int __init feat_enable_align_dsisr(struct dt_cpu_feature *f)  in feat_enable_align_dsisr()  argument
285 static int __init feat_enable_idle_stop(struct dt_cpu_feature *f)  in feat_enable_idle_stop()  argument
299 static int __init feat_enable_mmu_hash(struct dt_cpu_feature *f)  in feat_enable_mmu_hash()  argument
318 static int __init feat_enable_mmu_hash_v3(struct dt_cpu_feature *f)  in feat_enable_mmu_hash_v3()  argument
334 static int __init feat_enable_mmu_radix(struct dt_cpu_feature *f)  in feat_enable_mmu_radix()  argument
346 static int __init feat_enable_dscr(struct dt_cpu_feature *f)  in feat_enable_dscr()  argument
350 	feat_enable(f);  in feat_enable_dscr()
381 static int __init feat_enable_mce_power8(struct dt_cpu_feature *f)  in feat_enable_mce_power8()  argument
389 static int __init feat_enable_pmu_power8(struct dt_cpu_feature *f)  in feat_enable_pmu_power8()  argument
419 static int __init feat_enable_mce_power9(struct dt_cpu_feature *f)  in feat_enable_mce_power9()  argument
427 static int __init feat_enable_pmu_power9(struct dt_cpu_feature *f)  in feat_enable_pmu_power9()  argument
444 static int __init feat_enable_tm(struct dt_cpu_feature *f)  in feat_enable_tm()  argument
447 	feat_enable(f);  in feat_enable_tm()
454 static int __init feat_enable_fp(struct dt_cpu_feature *f)  in feat_enable_fp()  argument
456 	feat_enable(f);  in feat_enable_fp()
462 static int __init feat_enable_vector(struct dt_cpu_feature *f)  in feat_enable_vector()  argument
465 	feat_enable(f);  in feat_enable_vector()
475 static int __init feat_enable_vsx(struct dt_cpu_feature *f)  in feat_enable_vsx()  argument
478 	feat_enable(f);  in feat_enable_vsx()
487 static int __init feat_enable_purr(struct dt_cpu_feature *f)  in feat_enable_purr()  argument
494 static int __init feat_enable_ebb(struct dt_cpu_feature *f)  in feat_enable_ebb()  argument
502 	f->hwcap_bit_nr = -1;  in feat_enable_ebb()
503 	feat_enable(f);  in feat_enable_ebb()
508 static int __init feat_enable_dbell(struct dt_cpu_feature *f)  in feat_enable_dbell()  argument
513 	feat_enable(f);  in feat_enable_dbell()
524 static int __init feat_enable_hvi(struct dt_cpu_feature *f)  in feat_enable_hvi()  argument
549 static int __init feat_enable_large_ci(struct dt_cpu_feature *f)  in feat_enable_large_ci()  argument
558 	int (*enable)(struct dt_cpu_feature *f);
660 static bool __init cpufeatures_process_feature(struct dt_cpu_feature *f)  in cpufeatures_process_feature()  argument
668 		if (!strcmp(f->name, m->name)) {  in cpufeatures_process_feature()
670 			if (m->enable(f)) {  in cpufeatures_process_feature()
676 				f->name);  in cpufeatures_process_feature()
681 	if (!known && (!enable_unknown || !feat_try_enable_unknown(f))) {  in cpufeatures_process_feature()
683 			f->name);  in cpufeatures_process_feature()
688 		pr_debug("enabling: %s\n", f->name);  in cpufeatures_process_feature()
690 		pr_debug("enabling: %s (unknown)\n", f->name);  in cpufeatures_process_feature()
838 	struct dt_cpu_feature *f;  in process_cpufeatures_node()  local
841 	f = &dt_cpu_features[i];  in process_cpufeatures_node()
843 	f->node = node;  in process_cpufeatures_node()
845 	f->name = uname;  in process_cpufeatures_node()
852 	f->isa = be32_to_cpup(prop);  in process_cpufeatures_node()
859 	f->usable_privilege = be32_to_cpup(prop);  in process_cpufeatures_node()
863 		f->hv_support = be32_to_cpup(prop);  in process_cpufeatures_node()
865 		f->hv_support = HV_SUPPORT_NONE;  in process_cpufeatures_node()
869 		f->os_support = be32_to_cpup(prop);  in process_cpufeatures_node()
871 		f->os_support = OS_SUPPORT_NONE;  in process_cpufeatures_node()
875 		f->hfscr_bit_nr = be32_to_cpup(prop);  in process_cpufeatures_node()
877 		f->hfscr_bit_nr = -1;  in process_cpufeatures_node()
880 		f->fscr_bit_nr = be32_to_cpup(prop);  in process_cpufeatures_node()
882 		f->fscr_bit_nr = -1;  in process_cpufeatures_node()
885 		f->hwcap_bit_nr = be32_to_cpup(prop);  in process_cpufeatures_node()
887 		f->hwcap_bit_nr = -1;  in process_cpufeatures_node()
889 	if (f->usable_privilege & USABLE_HV) {  in process_cpufeatures_node()
895 		if (f->hv_support == HV_SUPPORT_NONE && f->hfscr_bit_nr != -1) {  in process_cpufeatures_node()
900 		if (f->hv_support == HV_SUPPORT_HFSCR) {  in process_cpufeatures_node()
901 			if (f->hfscr_bit_nr == -1) {  in process_cpufeatures_node()
907 		if (f->hv_support != HV_SUPPORT_NONE || f->hfscr_bit_nr != -1) {  in process_cpufeatures_node()
913 	if (f->usable_privilege & USABLE_OS) {  in process_cpufeatures_node()
914 		if (f->os_support == OS_SUPPORT_NONE && f->fscr_bit_nr != -1) {  in process_cpufeatures_node()
919 		if (f->os_support == OS_SUPPORT_FSCR) {  in process_cpufeatures_node()
920 			if (f->fscr_bit_nr == -1) {  in process_cpufeatures_node()
926 		if (f->os_support != OS_SUPPORT_NONE || f->fscr_bit_nr != -1) {  in process_cpufeatures_node()
932 	if (!(f->usable_privilege & USABLE_PR)) {  in process_cpufeatures_node()
933 		if (f->hwcap_bit_nr != -1) {  in process_cpufeatures_node()
941 		if (cpufeatures_process_feature(f))  in process_cpufeatures_node()
942 			f->enabled = 1;  in process_cpufeatures_node()
944 			f->disabled = 1;  in process_cpufeatures_node()
950 static void __init cpufeatures_deps_enable(struct dt_cpu_feature *f)  in cpufeatures_deps_enable()  argument
957 	if (f->enabled || f->disabled)  in cpufeatures_deps_enable()
960 	prop = of_get_flat_dt_prop(f->node, "dependencies", &len);  in cpufeatures_deps_enable()
962 		pr_warn("%s: missing dependencies property", f->name);  in cpufeatures_deps_enable()
978 					f->disabled = 1;  in cpufeatures_deps_enable()
985 	if (cpufeatures_process_feature(f))  in cpufeatures_deps_enable()
986 		f->enabled = 1;  in cpufeatures_deps_enable()
988 		f->disabled = 1;  in cpufeatures_deps_enable()
1051 		struct dt_cpu_feature *f = &dt_cpu_features[i];  in dt_cpu_ftrs_scan_callback()  local
1053 		cpufeatures_deps_enable(f);  in dt_cpu_ftrs_scan_callback()